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Application of laser beam deflection technique to study the diffusion process in electrolyte solutions

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Abstract

A simple method based on laser beam deflection to study the variation of diffusion coefficient with concentration in a solution is presented. When a properly fanned out laser beam is passed through a rectangular cell filled with solution having concentration gradient, the emergent beam traces out a curved pattern on a screen. By taking measurements on the pattern at different concentrations, the variation of diffusion coefficient with concentration can be determined.

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Authors and Affiliations

  1. Laser Division, Department of Physics, Cochin University of Science and Technology, 682 022, Cochin, India

    Achamma Kurian

  2. Department of Physics, Catholicate College, 689 645, Pathanamthitta, India

    Achamma Kurian, C V Bindhu, S S Harilal, Riju C Issac, V P N Nampoori & C P G Vallabhan

Authors
  1. Achamma Kurian
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  2. C V Bindhu
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  3. S S Harilal
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  4. Riju C Issac
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  5. V P N Nampoori
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  6. C P G Vallabhan
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Kurian, A., Bindhu, C.V., Harilal, S.S. et al. Application of laser beam deflection technique to study the diffusion process in electrolyte solutions. Pramana - J. Phys. 43, 401–406 (1994). https://doi.org/10.1007/BF02846707

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  • DOI: https://doi.org/10.1007/BF02846707

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